Separating device for concrete with different grades at beam-column joints

The utility model particularly relates to a device for separating concrete with different grades at beam-column joints, which solves the problems of poor construction quality and serious waste of the existing separation structure. Comprising a separation mechanism and an inflation mechanism; the separation mechanism comprises front telescopic rods and rear telescopic rods, supporting rods are arranged at the top ends of each pair of the front telescopic rod and the rear telescopic rod, a hollow track is arranged between the two supporting rods, a connecting piece is arranged on each hollow track, and a moving rod penetrates through each connecting piece; the inflation mechanism comprises an air pump arranged on the inflation support, rubber air bags are arranged at the lower ends of the moving rods, and the rubber air bags communicate with the air pump. According to the utility model, the complete blocking of concrete of different grades and the large-range adjustment of the connecting angle of the concrete o